1. Warm Up
1. Take a compass and a handout from the Chromebook cart, do #1 – 3 on the handout.
𝐵𝐷 𝑏𝑖𝑠𝑒𝑐𝑡𝑠 ∠𝐴𝐵𝐶. If m∠𝐴𝐵𝐶=100 and m∠𝐷𝐵𝐶=2𝑥+10, solve for x
(hint: draw a picture).

3. pg. 31

4. pg. 31 -1 -3 -4 -3

5. pg. 32 4 3 1 3 4 1

6. pg. 32 2

7. pg. 32

8. pg. 33

9. pg. 33

10. pg. 34
equals
Is the opposite of
Reflection across the x-axis

11. pg. 34

12. pg. 35 You Try! Coordinate Rule: Describe transformation:
Rigid or non-rigid?

13. pg. 35
Coordinate Rule:
Describe transformation:
Rigid or non-rigid?

14. pg. 35

15. pg. 36

16. pg. 37
Coordinate Rule:
Show AB ≠A’B’
Coordinate Rule:
Show RS ≠R’S’

17. Turn to HW on pg. 39 Coordinate Rule: Describe transformation:
Rigid or non-rigid?

18. pg. 39
Coordinate Rule:
Show AB ≠A’B’

19. pg. 38
#1-4: Graph and say “rigid” or “non-rigid”